The claim

「A pointy bump means a boy」

Verdict

Myth

Bump shape depends on the baby’s position, your build, abdominal muscles and fluid volume — not the baby’s sex.

Sources

  1. MedlinePlus · MedlinePlus, U.S. National Library of Medicine

    MedlinePlus (U.S. National Library of Medicine). (n.d.). Y chromosome. https://medlineplus.gov/genetics/chromosome/y/

    Mechanism source ° · Government / official agency · checked 2026-08-02

° Sources with this mark do not address the claim directly; their content supports the mechanism behind the verdict.

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Further reading